(19)
(11) EP 1 414 550 A1

(12)

(43) Date of publication:
06.05.2004 Bulletin 2004/19

(21) Application number: 02754003.8

(22) Date of filing: 02.08.2002
(51) International Patent Classification (IPC)7B01D 53/56, B01D 53/60, B01D 53/52
(86) International application number:
PCT/CA2002/001219
(87) International publication number:
WO 2003/013701 (20.02.2003 Gazette 2003/08)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 06.08.2001 US 309786 P

(71) Applicant: Cansolv Technologies Inc.
Montréal, Québec H2M 2N9 (CA)

(72) Inventors:
  • HAKKA, Leo, E.
    Dollard des Ormeaux, Quebec H9G 2K4 (CA)
  • OUIMET, Michael, A.
    Montreal, Quebec H1E 6K9 (CA)

(74) Representative: Hartley, Andrew Philip et al
Mathisen, Macara & CoThe Coach House6-8 Swakeleys Road
Ickenham, Uxbridge UB10 8BZ
Ickenham, Uxbridge UB10 8BZ (GB)

   


(54) METHOD AND APPARATUS FOR NO X? AND SO 2? REMOVAL